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Subject Started by Replies Views Last post
Exploring signal path reciprocity for shortwave communication SM0BRF 0 3303 Last post December 16, 2015, 11:32:50 AM
by SM0BRF
Measuring the ”Take off angle” SM0BRF 2 3380 Last post February 09, 2017, 01:35:53 PM
by SM0BRF
NCDXF Beacon/Faros Users N4SRN 0 3487 Last post May 23, 2015, 05:55:01 AM
by N4SRN
Something to try: VOACAP Online WA2ONH 0 4004 Last post November 02, 2014, 06:37:14 AM
by WA2ONH
Airforce plans to modify probagation. W8JX 4 4092 Last post August 15, 2016, 03:39:03 AM
by OZ8AGB
What's going on today? JS6TMW 1 4102 Last post March 08, 2016, 08:50:14 AM
by N3QE
Low Band Propagation During Cycle Low KK5JY 13 4346 Last post January 18, 2017, 11:36:59 PM
by N9KX
Maybe Getting Back In The Hobby? W9GBB 3 4686 Last post June 15, 2015, 06:00:40 PM
by JS6TMW
Sudden 40 M NVIS Dropout N1NQC 3 4823 Last post October 27, 2014, 12:48:05 PM
by N1NQC
40 m dead now with 20 dB+ QRN KA5QMA 4 5058 Last post January 28, 2015, 02:48:44 PM
by KA5QMA
DX Atlas K1PJR 1 5261 Last post August 07, 2016, 02:29:59 PM
by AC7CW
Roller inductor EI5GUB 1 5276 Last post November 10, 2014, 03:37:09 AM
by EI5GUB
10's open right now Jan 23 21:34zulu WA2ISE 1 5469 Last post January 24, 2015, 01:32:41 PM
by WA2ISE
long versus short path and secondary paths HS0ZFQ 4 5487 Last post June 12, 2015, 07:39:20 PM
by JS6TMW
Archived Daily Propagation Indices W2LO 2 5488 Last post January 08, 2016, 03:51:22 PM
by W2LO
MUF question? WF7BSR 4 5523 Last post June 18, 2015, 01:32:14 AM
by W6RZ
10 Meters open to California and other states « 1 2 » W4KYR 15 5714 Last post January 19, 2017, 06:41:41 PM
by W8JX
Prop forecast text message/email K3MQ 0 5941 Last post July 10, 2013, 06:17:00 PM
by K3MQ
Video: Last 5 Years of the Sun, Seen by SDO / NASA NW7US 0 6166 Last post April 22, 2015, 08:03:34 AM
by NW7US
Watch: Biggest So Far in 2015, an X2.7 X-ray Flare NW7US 0 6289 Last post May 10, 2015, 11:29:33 PM
by NW7US
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